Question

Construct a 2 × 2 matrix whose elements in the ith row and jth column are given by:

a_ij = i + j

Answer 1

We have a_ij = i + j

a₁₁ = 1 + 1 = 2

a₁₂ = 1 + 2 = 3

a₂₁ = 2 + 1 = 3

a₂₂ = 2 + 2 = 4

∴ The required matrix is `[(2, 3),(3, 4)]`